/// <summary>
/// Apply tag filtering.
/// </summary>
/// <param name="classes">List of test classes.</param>
/// <param name="instances">Test class instance dictionary.</param>
protected internal override void FilterCustomTestClasses(IList <ITestClass> classes, TestClassInstanceDictionary instances)
{
if (string.IsNullOrEmpty(TagExpression))
{
return;
}
// Temporarily apply to the methods as well. If the class has no
// methods that were matched in the expression, then cut the
// class from the run.
List <ITestClass> emptyTests = new List <ITestClass>();
foreach (ITestClass test in classes)
{
object instance = instances.GetInstance(test.Type);
ICollection <ITestMethod> methods = GetTestMethods(test, instance);
TagManager tm = new TagManager(test.Type, methods);
ApplyExpression(tm, methods);
if (methods.Count == 0)
{
emptyTests.Add(test);
}
}
if (emptyTests.Count > 0)
{
foreach (ITestClass test in emptyTests)
{
classes.Remove(test);
}
}
if (!_hasLoggedWarning)
{
UnitTestHarness.LogWriter.Information(string.Format(CultureInfo.InvariantCulture, Properties.UnitTestMessage.TagTestRunFilter_TaggingInUse, TagExpression));
_hasLoggedWarning = true;
}
}
/// <summary>
/// Apply tag filtering.
/// </summary>
/// <param name="classes">List of test classes.</param>
/// <param name="instances">Test class instance dictionary.</param>
protected internal override void FilterCustomTestClasses(IList<ITestClass> classes, TestClassInstanceDictionary instances)
{
if (string.IsNullOrEmpty(TagExpression))
{
return;
}
// Temporarily apply to the methods as well. If the class has no
// methods that were matched in the expression, then cut the
// class from the run.
List<ITestClass> emptyTests = new List<ITestClass>();
foreach (ITestClass test in classes)
{
object instance = instances.GetInstance(test.Type);
ICollection<ITestMethod> methods = GetTestMethods(test, instance);
TagManager tm = new TagManager(test.Type, methods);
ApplyExpression(tm, methods);
if (methods.Count == 0)
{
emptyTests.Add(test);
}
}
if (emptyTests.Count > 0)
{
foreach (ITestClass test in emptyTests)
{
classes.Remove(test);
}
}
if (!_hasLoggedWarning)
{
UnitTestHarness.LogWriter.Information(string.Format(CultureInfo.InvariantCulture, Properties.UnitTestMessage.TagTestRunFilter_TaggingInUse, TagExpression));
_hasLoggedWarning = true;
}
}
/// <summary>
/// Evaluate a tag expression.
/// </summary>
/// <param name="owner">The owner object.</param>
/// <param name="tagExpression">Tag expression.</param>
/// <returns>Test methods associated with the tag expression.</returns>
public static IEnumerable <ITestMethod> Evaluate(TagManager owner, string tagExpression)
{
return(new ExpressionEvaluator(owner, tagExpression).Evaluate());
}
/// <summary>
/// Apply the tag filtering.
/// </summary>
/// <param name="tagManager">The tag manager instance.</param>
/// <param name="methods">Set of methods.</param>
private void ApplyExpression(TagManager tagManager, ICollection<ITestMethod> methods)
{
List<ITestMethod> original = new List<ITestMethod>(methods);
methods.Clear();
tagManager.EvaluateExpression(TagExpression);
foreach (ITestMethod method in tagManager.EvaluateExpression(TagExpression))
{
if (original.Contains(method))
{
methods.Add(method);
}
}
}
/// <summary>
/// Apply tag filtering.
/// </summary>
/// <param name="methods">List of test methods.</param>
protected internal override void FilterCustomTestMethods(IList<ITestMethod> methods)
{
if (methods == null || methods.Count == 0 || string.IsNullOrEmpty(TagExpression))
{
return;
}
TagManager tm = new TagManager(methods[0].Method.ReflectedType, methods);
ApplyExpression(tm, methods);
}
/// <summary>
/// Evaluate a tag expression.
/// </summary>
/// <param name="owner">The owner object.</param>
/// <param name="tagExpression">Tag expression.</param>
/// <returns>Test methods associated with the tag expression.</returns>
public static IEnumerable<ITestMethod> Evaluate(TagManager owner, string tagExpression)
{
return new ExpressionEvaluator(owner, tagExpression).Evaluate();
}
/// <summary>
/// Create an expression evaluator.
/// </summary>
/// <param name="owner">The owner object.</param>
/// <param name="tagExpression">Expression object.</param>
private ExpressionEvaluator(TagManager owner, string tagExpression)
{
if (tagExpression == null)
{
throw new ArgumentNullException("tagExpression");
}
else if (tagExpression.Length == 0)
{
throw new ArgumentException(Properties.UnitTestMessage.TagManager_ExpressionEvaluator_EmptyTagExpression, "tagExpression");
}
_owner = owner;
_tagExpression = tagExpression;
}
